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Old 11-03-2020 | 04:16 AM
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ron_van_sommeren's Avatar
ron_van_sommeren
 
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From: Nijmegen / Nederland
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Originally Posted by NewTinkerer
... I came across some videos of EDF's ...
Too late probably but propellers have higher effectivity than EDFs. Double???

Originally Posted by NewTinkerer
2- 105 mm HSD jets 11 blade 44v EDF's,
2-150 amp aerostar 12s opto esc's
2- 6s 60c lipos for each fan ...
What current do you expect? Have you calculated it?
www.ecalc.ch → fanCalc

Calculators only get you in the ball park, IF the input is correct.
Without a watt-meter you are in the dark.
Until something starts to glow
Originally Posted by NewTinkerer
... came to the conclusion that the speed control did not have a BEC ...
In a true opto controller a BEC is useless. Because it is optocoupled for complete electrical insulation between controller and ESC.
A fake opto controller also has no BEC on board, and also no optocoupler, but is not insulated from the receiver. A bit like calling a car with no brakes an ultra high speed car. Thank you HobbyKrap for creating confusion (once again) with this lovely bit of ... eeeh ... marketing

Vriendelijke groeten en wees voorzichtig, Ron
• Without a watt-meter you're in the dark ... until something starts to glow •
E-flight calculatorswatt-metersdiy motor tips&tricksCumulus MFC

Last edited by ron_van_sommeren; 11-04-2020 at 02:44 AM.